📄 function.memcache-getextendedstats.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Get statistics from all servers in pool</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.memcache-get.html">Memcache::get</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.memcache-getserverstatus.html">Memcache::getServerStatus</a></div> <div class="up"><a href="ref.memcache.html">Memcache Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.memcache-getextendedstats" class="refentry"> <div class="refnamediv"> <h1 class="refname">Memcache::getExtendedStats</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">Memcache::getExtendedStats</span> — <span class="dc-title">Get statistics from all servers in pool</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>Memcache::getExtendedStats</b></b></span> ([ <span class="methodparam"><span class="type">string</span> <tt class="parameter">$type</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$slabid</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$limit</tt></span> ]]] )</div> <p class="para rdfs-comment"> <b>Memcache::getExtendedStats()</b> returns a two-dimensional associative array with server statistics. Array keys correspond to host:port of server and values contain the individual server statistics. A failed server will have its corresponding entry set to <b><tt>FALSE</tt></b>. You can also use the <b>memcache_get_extended_stats()</b> function. </p> <blockquote><p><b class="note">Note</b>: This function has been added to Memcache version 2.0.0. <br /> </p></blockquote> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">type</tt></i></span> <dd> <p class="para"> The type of statistics to fetch. Valid values are {reset, malloc, maps, cachedump, slabs, items, sizes}. According to the memcached protocol spec these additional arguments "are subject to change for the convenience of memcache developers". </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">slabid</tt></i></span> <dd> <p class="para"> Used in conjunction with <i><tt class="parameter">type</tt></i> set to cachedump to identify the slab to dump from. The cachedump command ties up the server and is strictly to be used for debugging purposes. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">limit</tt></i></span> <dd> <p class="para"> Used in conjunction with <i><tt class="parameter">type</tt></i> set to cachedump to limit the number of entries to dump. Default value is 100. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a two-dimensional associative array of server statistics or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>Memcache::getExtendedStats()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /> $memcache_obj </span><span style="color: #007700">= new </span><span style="color: #0000BB">Memcache</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-></span><span style="color: #0000BB">addServer</span><span style="color: #007700">(</span><span style="color: #DD0000">'memcache_host'</span><span style="color: #007700">, </span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-></span><span style="color: #0000BB">addServer</span><span style="color: #007700">(</span><span style="color: #DD0000">'failed_host'</span><span style="color: #007700">, </span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /> <br /> </span><span style="color: #0000BB">$stats </span><span style="color: #007700">= </span><span style="color: #0000BB">$memcache_obj</span><span style="color: #007700">-></span><span style="color: #0000BB">getExtendedStats</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$stats</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>Array( [memcache_host:11211] => Array ( [pid] => 3756 [uptime] => 603011 [time] => 1133810435 [version] => 1.1.12 [rusage_user] => 0.451931 [rusage_system] => 0.634903 [curr_items] => 2483 [total_items] => 3079 [bytes] => 2718136 [curr_connections] => 2 [total_connections] => 807 [connection_structures] => 13 [cmd_get] => 9748 [cmd_set] => 3096 [get_hits] => 5976 [get_misses] => 3772 [bytes_read] => 3448968 [bytes_written] => 2318883 [limit_maxbytes] => 33554432 ) [failed_host:11211] => false)</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.memcache-getversion.html" class="function" rel="rdfs-seeAlso">Memcache::getVersion()</a></li> <li class="member"><a href="function.memcache-getstats.html" class="function" rel="rdfs-seeAlso">Memcache::getStats()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.memcache-get.html">Memcache::get</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.memcache-getserverstatus.html">Memcache::getServerStatus</a></div> <div class="up"><a href="ref.memcache.html">Memcache Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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